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Related Concept Videos

Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
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Related Experiment Video

Updated: Jan 1, 2026

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Microscopic Colitis: A Challenging Disorder.

Zsolt Tulassay1, Emese Mihaly2, Lászlo Herszényi3

  • 1Department of Medicine and Gastroenterology, Semmelweis University, Budapest, Hungary, tulassay.zsolt@med.semmelweis-univ.hu.

Digestive Diseases (Basel, Switzerland)
|December 23, 2019
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Summary
This summary is machine-generated.

Microscopic colitis (MC) is increasingly recognized, but uncertainties persist regarding its diagnosis, subtypes, and causes. Further research is needed to clarify these clinical aspects and the disease

Keywords:
DiagnosisHistologyMicroscopic colitisTherapy

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Area of Science:

  • Gastroenterology
  • Histopathology

Background:

  • Microscopic colitis (MC) is gaining clinical significance due to rising incidence and diagnostic challenges.
  • Despite increased recognition, current data on MC present several uncertainties and areas of debate.

Purpose of the Study:

  • To review current knowledge on microscopic colitis.
  • To highlight controversies and criticisms in clinical data concerning MC definitions, subtypes, pathogenesis, diagnosis, and treatment.

Main Methods:

  • Review of existing literature on microscopic colitis.
  • Analysis of clinical data regarding MC definitions, subtypes, pathogenesis, diagnosis, and treatment.

Main Results:

  • MC diagnosis relies on histology distinguishing two subtypes, but transitional forms challenge this classification.
  • Lack of international consensus on colon biopsy location and unclear explanations for incidence increase.
  • Pathogenesis remains largely unknown, likely multifactorial with increasing focus on immunological factors.

Conclusions:

  • The distinction between MC subtypes is questioned due to transitional forms and classification issues.
  • Uncertainties surround MC pathogenesis, natural history, relapse causes, and its potential link to inflammatory bowel disease (IBD).
  • Further data collection is essential to resolve existing controversies and advance understanding of microscopic colitis.